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''Acalypha ostryifolia'', sometimes spelled ''ostryaefolia'', is a plant in the Euphorbiaceae family and is commonly known as hophornbeam copperleaf, hornbeam copperleaf, or pineland threeseed mercury,〔(【引用サイトリンク】 work = Encyclopedia of Life )〕 is an annual herb of the copperleaf genus ''Acalypha''.〔(【引用サイトリンク】 url=http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=28189 )〕 It is a native of North and Central America and is generally considered a weed. ==Description== ''Acalypha ostryifolia'' is an annual herb reaching a height of up to 75 cm tall.〔 The stems are upright, branching, purplish-green with vertical striations, short recurved hairs and stalked glands. Its leaves are alternate, petiolate, simple and ovate, with serrate or dentate margins, a cordate base and slight pubescence, and grow to 10 cm in length.〔 Male and female flowers are in separate spikes, the staminate, males on short axillary spikes and the pistillate females in elongated, interrupted, terminal spikes. The male flowers have four ovate greenish sepals often tinged red and no petals. The female flowers are also petal-less but have three styles which subdivide into white hairs which give the inflorescence a furry appearance. Its 3-lobed capsule is depressed-globose to ovoid, grows up to 5 mm across, with typically 3 ovoid, wrinkeled seeds that are around 2 mm in length 〔 and brown with low bumpy ridges. Flowering time is from June to November〔(Discover Life )〕〔(SEINet )〕 . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Acalypha ostryifolia」の詳細全文を読む スポンサード リンク
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